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Literature DB >> 9484474

Three cis-elements required for rice alpha-amylase Amy3D expression during sugar starvation.

Y S Hwang¹, E E Karrer, B R Thomas, L Chen, R L Rodriguez.

Abstract

Expression of alpha-amylase genes during seedling development plays a key role in production of sugar from the starch stored in the cereal seed. Rice alpha-amylase Amy3D promoter/GUS constructs in transgenic rice cell lines were studied to identify cis elements in the promoter of this metabolite-regulated gene. Three sequences having the greatest effects on Amy3D gene expression included the amylase element (TATCCAT), the CGACG element, and a G box-related element (CTACGTGGCCA). These promoter cis elements are needed for high-level expression of Amy3D under conditions of sugar starvation. The involvement of G box cis-elements in environmental stress responses suggest a link between the nutrient stress and the environmental stress responses of the plant.

Entities: Chemical Species

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Year: 1998 PMID： 9484474 DOI： 10.1023/a:1005956104636

Source DB: PubMed Journal: Plant Mol Biol ISSN： 0167-4412 Impact factor: 4.076

40 in total

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